The Digital Earth is a virtual representation of our planet that enables a person to explore and interact with the vast amounts of natural, cultural, and historical information being gathered about the Earth. This video describes the need for such a system, possible uses of a Digital Earth system, and the technologies and organizations that must come together in order for it to become a reality. Note: The entire narrated Digital Earth video. Data Collected: Various. Animator: Greg Shirah (NASA/GSFC), Alex Kekesi (GST), Horace Mitchell (NASA/GSFC), Stuart A. Snodgrass (GST), Jesse Allen (Raytheon), Steve Maher (NASA/GSFC). Narrator: Grey Valenti. Scientist: Horace Mitchell (NASA/GSFC). Writer: Jarrett Cohen (GST).